/* ============================================================
   局域网打字对战 —— 样式（沿用应用现有设计变量）
   ============================================================ */

.view-battle { padding: 22px 0 60px; }

.bt-shell {
  display: grid;
  grid-template-columns: minmax(300px, 360px) 1fr;
  gap: 20px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (max-width: 900px) { .bt-shell { grid-template-columns: 1fr; } }

.bt-card {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--glow-sm), var(--edge-hi);
  padding: 18px 18px 16px;
  margin-bottom: 16px;
}
.bt-card-title {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 12px;
}
.bt-card-title small { font-weight: 500; letter-spacing: 0; text-transform: none; font-size: 11px; }

/* ---------- 我 ---------- */
.bt-me { display: flex; align-items: center; gap: 12px; }
.bt-avatar {
  width: 42px; height: 42px; border-radius: 12px; flex: 0 0 auto;
  display: grid; place-items: center; font-weight: 700; font-size: 16px; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  box-shadow: 0 6px 18px -6px var(--accent-glow);
}
.bt-me-info { flex: 1; min-width: 0; }
.bt-name-input {
  width: 100%; border: 1px solid var(--border); background: var(--card);
  color: var(--text); font: inherit; font-size: 15px; font-weight: 600;
  padding: 6px 10px; border-radius: 9px; outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.bt-name-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.bt-conn { font-size: 11.5px; color: var(--text-muted); margin-top: 6px; display: flex; align-items: center; gap: 6px; }
.bt-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint); flex: 0 0 auto; }
.bt-dot.on { background: #22C55E; box-shadow: 0 0 0 3px rgba(34,197,94,.16); }
.bt-dot.off { background: #EF4444; box-shadow: 0 0 0 3px rgba(239,68,68,.14); }
.bt-dot.busy { background: #F59E0B; box-shadow: 0 0 0 3px rgba(245,158,11,.16); }

/* ---------- 玩家 / 设备列表 ---------- */
.bt-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow-y: auto; }
.bt-peer {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--card-alt);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.bt-peer:hover { border-color: var(--accent); transform: translateY(-1px); box-shadow: var(--glow-sm); }
.bt-peer.is-self { opacity: .72; }
.bt-peer-avatar {
  width: 32px; height: 32px; border-radius: 9px; flex: 0 0 auto; overflow: hidden;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; color: var(--accent-deep);
  background: var(--accent-light); border: 1px solid var(--accent-light);
}
.bt-peer-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bt-peer.is-self .bt-peer-avatar { opacity: .85; }
.bt-peer-meta { flex: 1; min-width: 0; }
.bt-peer-name { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bt-peer-sub { font-size: 11px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
.bt-invite-btn {
  flex: 0 0 auto; border: 1px solid var(--accent); background: var(--accent-light);
  color: var(--accent-deep); font: inherit; font-size: 12.5px; font-weight: 600;
  padding: 6px 13px; border-radius: 999px; cursor: pointer;
  transition: all .2s ease;
}
.bt-invite-btn:hover { background: var(--accent); color: #fff; transform: translateY(-1px); }
.bt-invite-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.bt-empty { font-size: 12.5px; color: var(--text-muted); padding: 14px 4px; text-align: center; line-height: 1.7; }
.bt-link-btn {
  border: 0; background: none; color: var(--accent-deep); font: inherit; font-size: 12px;
  font-weight: 600; cursor: pointer; padding: 2px 6px; border-radius: 6px;
}
.bt-link-btn:hover { background: var(--accent-light); }

.bt-lan-row { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-light);
  padding: 6px 8px; border-radius: 8px; font-family: 'JetBrains Mono', monospace; }
.bt-lan-row:hover { background: var(--accent-light); }
/* 联网模式：整行是当前页面地址，太长时省略号截断 */
.bt-lan-row.is-url { cursor: pointer; }
.bt-lan-row.is-url > span:first-child { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bt-lan-row.is-url .bt-lan-tag { flex: none; }
.bt-lan-tag { font-size: 10px; padding: 1px 7px; border-radius: 999px; background: var(--accent-light); color: var(--accent-deep);
  font-family: 'Inter', sans-serif; font-weight: 600; }

/* ---------- 设置 ---------- */
.bt-field { margin-bottom: 16px; }
.bt-field:last-child { margin-bottom: 4px; }
.bt-label { display: flex; align-items: baseline; gap: 8px; font-size: 12.5px; font-weight: 600; color: var(--text-light); margin-bottom: 8px; }
.bt-label em { font-style: normal; font-weight: 500; font-size: 11px; color: var(--text-muted); }
.bt-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.bt-chip {
  border: 1px solid var(--border-strong); background: var(--card); color: var(--text-light);
  font: inherit; font-size: 13px; padding: 7px 15px; border-radius: 999px; cursor: pointer;
  transition: all .18s ease;
}
.bt-chip:hover { border-color: var(--accent); color: var(--accent-deep); }
.bt-chip.active {
  background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600;
  box-shadow: 0 6px 16px -8px var(--accent-glow);
}
.bt-textarea {
  width: 100%; min-height: 110px; resize: vertical; box-sizing: border-box;
  border: 1px solid var(--border-strong); border-radius: 12px; background: var(--card);
  color: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 13px; line-height: 1.7;
  padding: 12px 14px; outline: none; transition: border-color .2s ease, box-shadow .2s ease;
}
.bt-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.bt-hint { font-size: 11.5px; color: var(--text-muted); margin-top: 6px; line-height: 1.6; }

.bt-guide {
  display: none; border: 1px dashed var(--border-strong); border-radius: 14px;
  padding: 18px 20px; background: var(--card-alt); color: var(--text-light); font-size: 13px; line-height: 1.9;
}
.bt-guide.show { display: block; }
.bt-guide code {
  font-family: 'JetBrains Mono', monospace; font-size: 12px; background: var(--accent-light);
  color: var(--accent-deep); padding: 2px 7px; border-radius: 6px;
}

/* ---------- 弹窗 ---------- */
.bt-modal {
  position: fixed; inset: 0; z-index: 2100; display: grid; place-items: center;
  background: rgba(20, 15, 8, .42);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none; transition: opacity .22s ease;
}
.bt-modal.show { opacity: 1; pointer-events: auto; }
.bt-modal-card {
  width: min(420px, calc(100vw - 40px));
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(26px); backdrop-filter: blur(26px);
  border: 1px solid var(--border-strong); border-radius: 20px;
  box-shadow: var(--glow-lg), var(--edge-hi);
  padding: 26px 26px 22px;
  transform: translateY(10px) scale(.97); transition: transform .26s cubic-bezier(.2,.9,.3,1.2);
}
.bt-modal.show .bt-modal-card { transform: none; }
.bt-modal-badge {
  width: 52px; height: 52px; border-radius: 16px; margin: 0 auto 14px;
  display: grid; place-items: center; font-size: 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  box-shadow: 0 12px 28px -12px var(--accent-glow); color: #fff;
}
.bt-modal-title { text-align: center; font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.bt-modal-sub { text-align: center; font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.bt-modal-facts {
  border: 1px solid var(--border); border-radius: 12px; background: var(--card-alt);
  padding: 12px 14px; margin-bottom: 18px; display: flex; flex-direction: column; gap: 7px;
}
.bt-fact { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--text-light); }
.bt-fact b { color: var(--text); font-weight: 600; }
.bt-modal-actions { display: flex; gap: 10px; }
.bt-modal-actions .btn { flex: 1; justify-content: center; }
.bt-btn-danger { border-color: var(--border-strong); color: var(--text-light); }
.bt-btn-danger:hover { border-color: #EF4444; color: #EF4444; }

/* ---------- 比赛舞台 ---------- */
.bt-stage {
  position: fixed; inset: 0; z-index: 2000; display: flex; flex-direction: column;
  background: var(--bg);
  opacity: 0; pointer-events: none; transition: opacity .25s ease;
}
.bt-stage.show { opacity: 1; pointer-events: auto; }
.bt-stage-top {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: center;
  padding: 16px 26px; border-bottom: 1px solid var(--border);
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
}
.bt-side { min-width: 0; }
.bt-side.right { text-align: right; }
.bt-side-head { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.bt-side.right .bt-side-head { justify-content: flex-end; }
.bt-side-stat { font-size: 11px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
.bt-bar { height: 7px; border-radius: 99px; background: var(--border); overflow: hidden; }
.bt-bar i {
  display: block; height: 100%; width: 0; border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  transition: width .18s linear;
}
.bt-side.right .bt-bar i { margin-left: auto; background: linear-gradient(90deg, #6366F1, #8B5CF6); }
.bt-vs {
  font-size: 12px; font-weight: 800; letter-spacing: .18em; color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.bt-stage-mid { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 30px 8vw; min-height: 0; }
.bt-stage-hud {
  display: flex; gap: 28px; justify-content: center; margin-bottom: 26px; flex-wrap: wrap;
}
.bt-hud-item { text-align: center; min-width: 74px; }
.bt-hud-num { display: block; font-family: 'JetBrains Mono', monospace; font-size: 26px; font-weight: 700; color: var(--text); line-height: 1.15; }
.bt-hud-cap { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.bt-stage-text {
  font-family: 'JetBrains Mono', monospace; font-size: 22px; line-height: 2.05;
  color: var(--text-faint); max-height: 46vh; overflow-y: auto;
  padding: 22px 26px; border-radius: 18px; border: 1px solid var(--border);
  background: var(--card); box-shadow: var(--glow-sm);
  word-break: break-word;
}
.bt-stage-text::-webkit-scrollbar { width: 6px; }
.bt-stage-text::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; }
.bt-ch { transition: color .06s linear; border-radius: 2px; }
.bt-ch.ok { color: var(--text); }
.bt-ch.bad { color: #EF4444; background: rgba(239, 68, 68, .12); }
.bt-ch.cur { background: var(--accent); color: #fff; border-radius: 3px; box-shadow: 0 0 0 3px var(--accent-light); }
.bt-ch.space.bad { background: rgba(239, 68, 68, .28); }
.bt-stage-foot { padding: 12px 26px 20px; text-align: center; font-size: 12px; color: var(--text-muted); }

.bt-count {
  position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none;
  background: rgba(20, 15, 8, .28); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.bt-count.hide { display: none; }
.bt-count-num {
  font-family: 'JetBrains Mono', monospace; font-size: 128px; font-weight: 800; color: var(--accent);
  text-shadow: 0 18px 60px var(--accent-glow); animation: btPop .62s cubic-bezier(.2,.9,.3,1.4);
}
.bt-count-num.go { color: #22C55E; }
@keyframes btPop { 0% { transform: scale(.55); opacity: 0; } 55% { transform: scale(1.06); opacity: 1; } 100% { transform: scale(1); opacity: 1; } }

.bt-hidden-input {
  position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px;
  left: -9999px; top: 0;
}

/* ---------- 结算 ---------- */
.bt-result-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.bt-result-row {
  display: flex; align-items: center; gap: 12px; padding: 13px 15px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--card-alt);
}
.bt-result-row.win { border-color: var(--accent); background: var(--accent-light); box-shadow: 0 10px 26px -16px var(--accent-glow); }
.bt-result-row.me { outline: 2px solid var(--accent); outline-offset: 1px; }
.bt-result-rank { font-family: 'JetBrains Mono', monospace; font-size: 20px; font-weight: 800; color: var(--accent-deep); width: 30px; }
.bt-result-name { flex: 1; font-size: 14px; font-weight: 600; color: var(--text); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bt-result-stats { display: flex; gap: 14px; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-light); }
.bt-result-stats b { color: var(--text); }

/* ---------- 提示 ---------- */
.bt-toasts { position: fixed; right: 22px; bottom: 22px; z-index: 2200; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.bt-toast {
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong); border-left: 3px solid var(--accent);
  border-radius: 12px; box-shadow: var(--glow-md);
  padding: 11px 16px; font-size: 13px; color: var(--text); max-width: 330px; line-height: 1.6;
  animation: btToastIn .28s ease;
}
.bt-toast.err { border-left-color: #EF4444; }
.bt-toast.ok { border-left-color: #22C55E; }
@keyframes btToastIn { from { transform: translateX(18px); opacity: 0; } to { transform: none; opacity: 1; } }

.bt-wait-dots::after { content: ''; animation: btDots 1.4s steps(4, end) infinite; }
@keyframes btDots { 0% { content: ''; } 25% { content: '.'; } 50% { content: '..'; } 75% { content: '...'; } }

body.bt-locked { overflow: hidden; }
/* 比赛时隐藏站点框架，舞台独占全屏 */
body.bt-locked .main-navigation-bar,
body.bt-locked .nav-tabs,
body.bt-locked .topbar-right { display: none !important; }